<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">

      <div class="title-container">
        <h3 class="title">修改密码</h3>
      </div>

      <el-form-item prop="code">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          ref="Pwd"
          v-model="loginForm.Pwd"
          placeholder="当前密码"
          name="Pwd"
          type="password"
          tabindex="1"
          autocomplete="off"
        />
      </el-form-item>

      <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
        <el-form-item prop="NewPwd">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.NewPwd"
            :type="passwordType"
            placeholder="新密码"
            name="NewPwd"
            tabindex="2"
            @keyup.native="checkCapslock"
            @blur="capsTooltip = false"
          />
          <span class="show-pwd" @click="showPwd('passwordType')">
            <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
          </span>
        </el-form-item>
      </el-tooltip>

      <el-form-item prop="ConfPwd">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            :key="confPwdType"
            ref="password"
            v-model="loginForm.ConfPwd"
            :type="confPwdType"
            placeholder="确认新密码"
            name="ConfPwd"
            tabindex="2"
            @keyup.enter.native="handleLogin"
          />
          <span class="show-pwd" @click="showPwd('confPwdType')">
            <svg-icon :icon-class="confPwdType === 'password' ? 'eye' : 'eye-open'" />
          </span>
        </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">保存</el-button>
      <span></span>
      <el-button :loading="loading" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleCancel">取消</el-button>
    </el-form>

  </div>
</template>

<script>
import { validPassword } from '@/utils/validate'
import * as userHttp from '@/api/user'

export default {
  name: 'Login',
  data() {
    const validatePassword = (rule, value, callback) => {
      if (!validPassword(value)) {
        callback(new Error('输入密码'))
      } else {
        if (this.loginForm.ConfPwd !== '') {
            this.$refs.loginForm.validateField('ConfPwd')
          }
          callback()
      }
    }

    const validateConfPwd = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请再次输入密码'))
      } else if (value !== this.loginForm.NewPwd) {
        callback(new Error('两次输入密码不一致!'))
      } else {
        callback()
      }
    }

    return {
      loginForm: {
        NewPwd: '',
        Pwd: '',
        ConfPwd: ''
      },
      loginRules: {
        Pwd: [{ required: true, trigger: 'blur', message: '请输入当前密码' }],
        NewPwd: [{ required: true, trigger: 'blur', validator: validatePassword }],
        ConfPwd: [{ required: true, trigger: 'blur', validator: validateConfPwd }]
      },
      passwordType: 'password',
      confPwdType: 'password',
      capsTooltip: false,
      loading: false,
      redirect: 'Home',
      otherQuery: {}
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        const query = route.query
        if (query) {
          this.redirect = query.redirect
          this.otherQuery = this.getOtherQuery(query)
        }
      },
      immediate: true
    }
  },
  created() {
    // window.addEventListener('storage', this.afterQRScan)
  },
  destroyed() {
    // window.removeEventListener('storage', this.afterQRScan)
  },
  methods: {
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && (key >= 'A' && key <= 'Z')
    },
    showPwd(type) {
      if (this[type] === 'password') {
        this[type] = ''
      } else {
        this[type] = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(async (valid) => {
        if (valid) {
          this.loading = true

          try {
            const res = await userHttp.resetPassword(this.loginForm)

            this.loading = false
            if (!res.Result) return false

            this.$notify({
              title: '成功',
              message: res.Msg || '重置密码成功',
              type: 'success',
              duration: 2000
            })

            this.$store.dispatch('user/logout').then(() => {
              this.$router.push(`/login`)
            }).catch()
          } catch (e) {
            this.loading = false
          }
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    },
    handleCancel() {
      // this.$router.push({ path: this.redirect || '/', query: this.otherQuery })
      this.$router.go(-1)
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>
